61052170738 has 128 divisors (see below), whose sum is σ = 107552116224. Its totient is φ = 25774848000.

The previous prime is 61052170721. The next prime is 61052170741. The reversal of 61052170738 is 83707125016.

It is a self number, because there is not a number n which added to its sum of digits gives 61052170738.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268952181 + ... + 268952407.

It is an arithmetic number, because the mean of its divisors is an integer number (840250908).

Almost surely, 2^61052170738 is an apocalyptic number.

61052170738 is a deficient number, since it is larger than the sum of its proper divisors (46499945486).

61052170738 is a wasteful number, since it uses less digits than its factorization.

61052170738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 61052170738 in words is "sixty-one billion, fifty-two million, one hundred seventy thousand, seven hundred thirty-eight".